navigate
no but FIND is
No, it is an adverb. It means in an unexpected way.
No, it is a verb. It means to discover or find out.
I suggest slightly different wording of the question: What is the term for a logical way to find answers to questions? Investigation (or as a verb: to investigate) Reasoning (to reason)
agree
yes, it is. very much of a verb. most verb you can get.
saber
find
"trouvez la question" means "find the question" in English.
Yes, "discover" can be used as a verb. It means to find or to become aware of something for the first time.
Kvetch is a Yiddish verb which essentially means to complain in an irritating or annoying and exhausting way. Oy.
It can be a verb and it can be a noun, depending on context.